kiss ass
拍马屁，巴结
口语·贬义，指拍马屁
英文释义
to excessively flatter or try to please someone in order to gain favor or advantage
例句
Stop kissing ass to the boss; it's obvious you just want a promotion.
典故来源
源自20世纪美国俚语，用亲吻臀部比喻过度奉承以讨好他人。